Home / 202,863,887.40-304,295,831.10-138,293,805.90

Finding the Fourth Proportional to 202,863,887.40, 304,295,831.10 and 138,293,805.90

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Solution

The fourth proportional to 202,863,887.40, 304,295,831.10 and 138,293,805.90 is: 207,440,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,863,887.40 : 304,295,831.10 = 138,293,805.90 : x
  2. Step 2: Convert to fraction form
    202,863,887.40/304,295,831.10 = 138,293,805.90/x
  3. Step 3: Cross multiply
    202,863,887.40x = 304,295,831.10 × 138,293,805.90
  4. Step 4: Simplify right side
    202,863,887.40x = 42,082,228,602,322,592
  5. Step 5: Solve for x
    x = 42,082,228,602,322,592/202,863,887.40
  6. Step 6: Final answer
    x = 207,440,708.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.